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PM: wakeup: Do not expose 4 device wakeup source APIs

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The following 4 APIs are only used by drivers/base/power/wakeup.c
internally.

- wakeup_source_create()
- wakeup_source_destroy()
- wakeup_source_add()
- wakeup_source_remove()

Do not expose them by making them as static functions.

Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20250420-fix_power-v2-1-9b938d2283aa@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Zijun Hu 2025-04-20 12:19:09 +08:00 committed by Greg Kroah-Hartman
parent 93b27a845e
commit 142ba31d8b
2 changed files with 4 additions and 23 deletions
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12
drivers/base/power/wakeup.c
View File

@ -77,7 +77,7 @@ static DEFINE_IDA(wakeup_ida);
* wakeup_source_create - Create a struct wakeup_source object.
* @name: Name of the new wakeup source.
*/
struct wakeup_source *wakeup_source_create(const char *name)
static struct wakeup_source *wakeup_source_create(const char *name)
{
struct wakeup_source *ws;
const char *ws_name;
@ -106,7 +106,6 @@ struct wakeup_source *wakeup_source_create(const char *name)
err_ws:
return NULL;
}
EXPORT_SYMBOL_GPL(wakeup_source_create);
/*
* Record wakeup_source statistics being deleted into a dummy wakeup_source.
@ -149,7 +148,7 @@ static void wakeup_source_free(struct wakeup_source *ws)
*
* Use only for wakeup source objects created with wakeup_source_create().
*/
void wakeup_source_destroy(struct wakeup_source *ws)
static void wakeup_source_destroy(struct wakeup_source *ws)
{
if (!ws)
return;
@ -158,13 +157,12 @@ void wakeup_source_destroy(struct wakeup_source *ws)
wakeup_source_record(ws);
wakeup_source_free(ws);
}
EXPORT_SYMBOL_GPL(wakeup_source_destroy);
/**
* wakeup_source_add - Add given object to the list of wakeup sources.
* @ws: Wakeup source object to add to the list.
*/
void wakeup_source_add(struct wakeup_source *ws)
static void wakeup_source_add(struct wakeup_source *ws)
{
unsigned long flags;
@ -179,13 +177,12 @@ void wakeup_source_add(struct wakeup_source *ws)
list_add_rcu(&ws->entry, &wakeup_sources);
raw_spin_unlock_irqrestore(&events_lock, flags);
}
EXPORT_SYMBOL_GPL(wakeup_source_add);
/**
* wakeup_source_remove - Remove given object from the wakeup sources list.
* @ws: Wakeup source object to remove from the list.
*/
void wakeup_source_remove(struct wakeup_source *ws)
static void wakeup_source_remove(struct wakeup_source *ws)
{
unsigned long flags;
@ -204,7 +201,6 @@ void wakeup_source_remove(struct wakeup_source *ws)
*/
ws->timer.function = NULL;
}
EXPORT_SYMBOL_GPL(wakeup_source_remove);
/**
* wakeup_source_register - Create wakeup source and add it to the list.

15
include/linux/pm_wakeup.h
View File

@ -95,10 +95,6 @@ static inline void device_set_wakeup_path(struct device *dev)
}
/* drivers/base/power/wakeup.c */
extern struct wakeup_source *wakeup_source_create(const char *name);
extern void wakeup_source_destroy(struct wakeup_source *ws);
extern void wakeup_source_add(struct wakeup_source *ws);
extern void wakeup_source_remove(struct wakeup_source *ws);
extern struct wakeup_source *wakeup_source_register(struct device *dev,
const char *name);
extern void wakeup_source_unregister(struct wakeup_source *ws);
@ -129,17 +125,6 @@ static inline bool device_can_wakeup(struct device *dev)
return dev->power.can_wakeup;
}
static inline struct wakeup_source *wakeup_source_create(const char *name)
{
return NULL;
}
static inline void wakeup_source_destroy(struct wakeup_source *ws) {}
static inline void wakeup_source_add(struct wakeup_source *ws) {}
static inline void wakeup_source_remove(struct wakeup_source *ws) {}
static inline struct wakeup_source *wakeup_source_register(struct device *dev,
const char *name)
{